NO314870B1 - Fremgangsmåte og anordning for generering av et ringesignal - Google Patents
Fremgangsmåte og anordning for generering av et ringesignal Download PDFInfo
- Publication number
- NO314870B1 NO314870B1 NO19962960A NO962960A NO314870B1 NO 314870 B1 NO314870 B1 NO 314870B1 NO 19962960 A NO19962960 A NO 19962960A NO 962960 A NO962960 A NO 962960A NO 314870 B1 NO314870 B1 NO 314870B1
- Authority
- NO
- Norway
- Prior art keywords
- subscriber line
- interface circuit
- current
- line interface
- voltage
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 6
- 230000003287 optical effect Effects 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 101000848490 Homo sapiens Putative RNA polymerase II subunit B1 CTD phosphatase RPAP2 Proteins 0.000 description 1
- 102100034621 Putative RNA polymerase II subunit B1 CTD phosphatase RPAP2 Human genes 0.000 description 1
- 101100255666 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RTR2 gene Proteins 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
- Burglar Alarm Systems (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9400185A SE502276C2 (sv) | 1994-01-21 | 1994-01-21 | Förfarande och anordning för generering av en ringsignal |
PCT/SE1995/000047 WO1995020290A1 (en) | 1994-01-21 | 1995-01-19 | A method and an arrangement for generating a ringing signal |
Publications (3)
Publication Number | Publication Date |
---|---|
NO962960D0 NO962960D0 (no) | 1996-07-15 |
NO962960L NO962960L (no) | 1996-07-15 |
NO314870B1 true NO314870B1 (no) | 2003-06-02 |
Family
ID=20392646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO19962960A NO314870B1 (no) | 1994-01-21 | 1996-07-15 | Fremgangsmåte og anordning for generering av et ringesignal |
Country Status (15)
Country | Link |
---|---|
US (1) | US5553132A (ja) |
EP (1) | EP0740881B1 (ja) |
JP (1) | JP3457674B2 (ja) |
KR (1) | KR100265481B1 (ja) |
CN (1) | CN1083205C (ja) |
AT (1) | ATE230537T1 (ja) |
BR (1) | BR9506450A (ja) |
CA (1) | CA2179387A1 (ja) |
DE (1) | DE69529275T2 (ja) |
FI (1) | FI962918A (ja) |
MX (1) | MX9602380A (ja) |
NO (1) | NO314870B1 (ja) |
SE (1) | SE502276C2 (ja) |
TW (1) | TW255085B (ja) |
WO (1) | WO1995020290A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6167135A (en) * | 1995-12-01 | 2000-12-26 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for generating a ringing signal |
SE506296C2 (sv) * | 1995-12-01 | 1997-12-01 | Ericsson Telefon Ab L M | Förfarande och anordning för alstrande av en ringsignal |
CN1063305C (zh) * | 1998-08-15 | 2001-03-14 | 深圳市华为电气股份有限公司 | 中大功率铃流变换器的次级功率管驱动电路 |
CN1057183C (zh) * | 1998-08-15 | 2000-10-04 | 深圳市华为电气股份有限公司 | 铃流发生器的缓起动与过流保护电路 |
CN1087546C (zh) * | 1998-08-15 | 2002-07-10 | 深圳市安圣电气有限公司 | 小功率铃流发生器的次级信号切换电路 |
US6282238B1 (en) | 1999-05-28 | 2001-08-28 | 3Com Corporation | Adapter card that selects between an ISDN interface and an analog modem interface |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3689700A (en) * | 1970-09-21 | 1972-09-05 | Lear Siegler Inc | Subscriber loop extension unit |
US3723662A (en) * | 1971-12-09 | 1973-03-27 | Gte Automatic Electric Lab Inc | D.c. compensated subscriber interface transformer circuit for telephone system |
IT1079588B (it) * | 1977-02-14 | 1985-05-13 | Sits Soc It Telecom Siemens | Generatore di chiamata statico per sistemi di telecomunicazioni |
NL8000859A (nl) * | 1980-02-12 | 1981-09-01 | Philips Nv | Inrichting voor het toevoeren van een wekspanning aan een abonneelijn. |
US4431868A (en) * | 1981-07-09 | 1984-02-14 | International Telephone And Telegraph Corporation | Solid state telephone line interface circuit with ringing capability |
SE453240B (sv) * | 1986-05-06 | 1988-01-18 | Ericsson Telefon Ab L M | Anordning i ett telekommunikationssystem for att strommata en telefonapparat |
-
1994
- 1994-01-21 SE SE9400185A patent/SE502276C2/sv not_active IP Right Cessation
-
1995
- 1995-01-19 MX MX9602380A patent/MX9602380A/es unknown
- 1995-01-19 AT AT95907185T patent/ATE230537T1/de not_active IP Right Cessation
- 1995-01-19 JP JP51950795A patent/JP3457674B2/ja not_active Expired - Lifetime
- 1995-01-19 BR BR9506450A patent/BR9506450A/pt not_active IP Right Cessation
- 1995-01-19 WO PCT/SE1995/000047 patent/WO1995020290A1/en active IP Right Grant
- 1995-01-19 KR KR1019960703637A patent/KR100265481B1/ko not_active IP Right Cessation
- 1995-01-19 DE DE69529275T patent/DE69529275T2/de not_active Expired - Lifetime
- 1995-01-19 CA CA002179387A patent/CA2179387A1/en not_active Abandoned
- 1995-01-19 EP EP95907185A patent/EP0740881B1/en not_active Expired - Lifetime
- 1995-01-19 CN CN95191172.4A patent/CN1083205C/zh not_active Expired - Lifetime
- 1995-01-20 US US08/375,687 patent/US5553132A/en not_active Expired - Lifetime
- 1995-01-20 TW TW084100489A patent/TW255085B/zh not_active IP Right Cessation
-
1996
- 1996-07-15 NO NO19962960A patent/NO314870B1/no not_active IP Right Cessation
- 1996-07-19 FI FI962918A patent/FI962918A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
NO962960D0 (no) | 1996-07-15 |
MX9602380A (es) | 1997-04-30 |
US5553132A (en) | 1996-09-03 |
JPH09508244A (ja) | 1997-08-19 |
TW255085B (ja) | 1995-08-21 |
WO1995020290A1 (en) | 1995-07-27 |
DE69529275D1 (de) | 2003-02-06 |
FI962918A0 (fi) | 1996-07-19 |
ATE230537T1 (de) | 2003-01-15 |
EP0740881A1 (en) | 1996-11-06 |
KR100265481B1 (ko) | 2000-09-15 |
SE502276C2 (sv) | 1995-09-25 |
BR9506450A (pt) | 1997-09-02 |
DE69529275T2 (de) | 2003-08-28 |
EP0740881B1 (en) | 2003-01-02 |
CA2179387A1 (en) | 1995-07-27 |
JP3457674B2 (ja) | 2003-10-20 |
SE9400185L (sv) | 1995-07-22 |
SE9400185D0 (sv) | 1994-01-21 |
CN1083205C (zh) | 2002-04-17 |
CN1138399A (zh) | 1996-12-18 |
NO962960L (no) | 1996-07-15 |
FI962918A (fi) | 1996-07-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100423942B1 (ko) | 짧은전화회선용집적링거 | |
CA2063525A1 (en) | Least cost routing method according to information transfer capability of customer premises equipment | |
JPH11510985A (ja) | 広帯域デジタル加入者線ループシステム | |
US5408525A (en) | Diverter interface between two telecommunication lines and a station set | |
US5815563A (en) | Telecommunication system with remote call pick-up capabilities | |
NO314870B1 (no) | Fremgangsmåte og anordning for generering av et ringesignal | |
US6069949A (en) | Central office providing services for high usage customers | |
US4792970A (en) | Expansion port for use in a communication system | |
EP0729259B1 (en) | Ring-signal generation in a slic | |
GB1563658A (en) | Interface circuits | |
US6084762A (en) | Connector for a protector block in a telecommunications system | |
US4292479A (en) | Separation and balance device for telephone exchanges | |
US4262172A (en) | Ring-trip detector | |
US3689704A (en) | Constant current output controlled repeater insertion | |
CA1261495A (en) | Line terminating apparatus | |
NO134855B (ja) | ||
US2863952A (en) | Electric selective signalling systems | |
US5253290A (en) | Circuit arrangement for the transmission of telecommunication signals | |
EP0864221B1 (en) | Method and apparatus for generating a ringing signal | |
US4346263A (en) | Signalling arrangement for telephone equipment | |
JP2543236B2 (ja) | ボタン電話装置 | |
USRE15389E (en) | Poration oe new yore | |
US1730969A (en) | Telephone-service observing system | |
EP1025690A2 (en) | Subscriber line interface circuit | |
GB2303518A (en) | Adapter for telephone extension system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |